"""empty message

Revision ID: 1667cc779612
Revises: 21e2d7cc8ee1, e904a7a25cae
Create Date: 2018-04-28 15:33:13.502258

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '1667cc779612'
down_revision = ('21e2d7cc8ee1', 'e904a7a25cae')
branch_labels = None
depends_on = None


def upgrade():
    pass


def downgrade():
    pass
